001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.example.proxy; 021 022 023import java.net.InetSocketAddress; 024 025import org.apache.mina.core.service.IoConnector; 026import org.apache.mina.transport.socket.nio.NioSocketAcceptor; 027import org.apache.mina.transport.socket.nio.NioSocketConnector; 028 029 030/** 031 * (<b>Entry point</b>) Demonstrates how to write a very simple tunneling proxy 032 * using MINA. The proxy only logs all data passing through it. This is only 033 * suitable for text based protocols since received data will be converted into 034 * strings before being logged. 035 * <p> 036 * Start a proxy like this:<br> 037 * <code>org.apache.mina.example.proxy.Main 12345 www.google.com 80</code><br> 038 * and open <a href="http://localhost:12345">http://localhost:12345</a> in a 039 * browser window. 040 * 041 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 042 */ 043public class Main 044{ 045 046 public static void main( String[] args ) throws Exception 047 { 048 if ( args.length != 3 ) 049 { 050 System.out.println( Main.class.getName() 051 + " <proxy-port> <server-hostname> <server-port>" ); 052 return; 053 } 054 055 // Create TCP/IP acceptor. 056 NioSocketAcceptor acceptor = new NioSocketAcceptor(); 057 058 // Create TCP/IP connector. 059 IoConnector connector = new NioSocketConnector(); 060 061 // Set connect timeout. 062 connector.setConnectTimeoutMillis( 30 * 1000L ); 063 064 ClientToProxyIoHandler handler = new ClientToProxyIoHandler( connector, 065 new InetSocketAddress( args[1], Integer.parseInt( args[2] ) ) ); 066 067 // Start proxy. 068 acceptor.setHandler( handler ); 069 acceptor.bind( new InetSocketAddress( Integer.parseInt( args[0] ) ) ); 070 071 System.out.println( "Listening on port " + Integer.parseInt( args[0] ) ); 072 } 073 074}